package stack;

public class Test {
    public static void main (String[] args)  {
        MyStack myStack=new MyStack();
       /* myStack.push(1);
        myStack.push(2);
        myStack.push(3);*/
        try {
            System.out.println(myStack.peek());
        } catch (StackNullException e) {
           e.printStackTrace();  ;
        }
        System.out.println(11);

    }

}
